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Smart Contract Security Verification Standard
I believe we need to use one Solidity version across all smart contracts and using different versions of Solidity might lead to a vulnerabilities and bugs.
# | Description |
---|---|
7.10 | Verify that the external keyword is used for functions that can be called externally only to save gas. |
Only changing to external
will not save gas. The arguments parameters also must be changed from memory
to calldata
:
https://ethereum.stackexchange.com/a/107939/4630
The tile is obvious, an attacker can kill the contract.
Based on this pattern, the modifiers should only be used to implement checks and not be used to change state or do an external call.
Even though we have 8.8, we need to have an item to mention that we need to protect all withdraw functions against any unauthorized withdrawal.
| 8.8 | Verify that the contract does not send funds automatically but it lets users withdraw funds on their own in separate transaction instead. |
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